源码0602-05-掌握-多值参数

Posted 2020-09-05 laugh

 

 

 

 

//
//  ViewController.m
//  05-掌握-多值参数
#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    // 0.请求路径
    NSURL *url = [NSURL URLWithString:@"http://120.25.226.186:32812/weather?place=Beijing&place=Shanghai"];
    
    // 1.创建请求对象
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    
    // 2.发送请求
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
        NSLog(@"\n%@", [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil]);
    }];
}

@end

 

 

//
//  NSDictionary+Log.m
//  05-掌握-多值参数
#import <Foundation/Foundation.h>

@implementation NSDictionary (Log)
- (NSString *)descriptionWithLocale:(id)locale
{
    NSMutableString *string = [NSMutableString string];
    
    // 开头有个{
    [string appendString:@"{\n"];
    
    // 遍历所有的键值对
    [self enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
        [string appendFormat:@"\t%@", key];
        [string appendString:@" : "];
        [string appendFormat:@"%@,\n", obj];
    }];
    
    // 结尾有个}
    [string appendString:@"}"];
    
    // 查找最后一个逗号
    NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
    if (range.location != NSNotFound)
    [string deleteCharactersInRange:range];
    
    return string;
}
@end

@implementation NSArray (Log)

- (NSString *)descriptionWithLocale:(id)locale
{
    NSMutableString *string = [NSMutableString string];
    
    // 开头有个[
    [string appendString:@"[\n"];
    
    // 遍历所有的元素
    [self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
        [string appendFormat:@"\t%@,\n", obj];
    }];
    
    // 结尾有个]
    [string appendString:@"]"];
    
    // 查找最后一个逗号
    NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
    if (range.location != NSNotFound)
    [string deleteCharactersInRange:range];
    
    return string;
}

@end